diff --git a/src/regexp.c b/src/regexp.c
index 8362048..e37c065 100644
--- a/src/regexp.c
+++ b/src/regexp.c
@@ -1111,7 +1111,7 @@
     int		l = 1;
     char_u	*p = *pp;
 
-    if (p[0] != NUL && p[1] == '.')
+    if (p[0] != NUL && p[1] == '.' && p[2] != NUL)
     {
 	if (has_mbyte)
 	    l = (*mb_ptr2len)(p + 2);